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04/25/2005

Yan Huang - CSCI5330 Database Implementation – Parallel Database

Intraquery Parallelism

Execution of a single query in parallel on multiple processors/disks

Speed up long-running queries.

Two complementary forms of intraquery parallelism :

Intraoperation Parallelism – parallelize the execution of each individual operation in the query.

Interoperation Parallelism – execute the different operations in a query expression in parallel.

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